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HomeMy WebLinkAboutSWG2026-0145 - SWG Application / Design - 5/26/2026 MASON COUNTY 415 N 6TH STREET,SHELTON, ,WAE 98584 • SHELTON:360 427-9670,EXT 400 BELFAIR:360-275-4467,EXT 400 Public Health & Human Services ELMA:360-482-5269,EXT 400 FAX:360-427-7787 On-Site Sewage System Permit: SWG2026-00145 APPLICANT PAULA JOHNSON* Phone: 360-898-2255 Address: 171 E VUECREST DRIVE UNION, WA 98592 OWNER EMPIRE HOME CONSTRUCTION LLC Phone: 360-751-8062 Address: P O BOX 241 KELSO, WA 98626 Site Address: 220 N Duckabush Dr W Primary Parcel Number: 422045100016 Permit Description: New 3-bedroom Manufactured Home Permit Submitted Date: 05/11/2026 Permit Issued Date: 05/26/2026 Issued By: Jeff Wilmoth Current Permit Fees Paid: $570.00 (additional fees may be required upon installation of system). Permit Expiration Date: 05/20/2029 (based on date of inspection) Permit Conditions: I Approval of this septic permit does not approve the building location. Building location is subject to approval from all applicable departments and regulations. 2 Proposed development subject to zoning requirements and approval by the planning department staff per Mason County Title 17. 3 Permit must be installed by a Mason County Certified Installer unless prior written authorization from Mason County is obtained. 4 Drain field installation not to exceed designed upslope and downslope depth specified on design form. 5 Installer is responsible for obtaining Mason County installation approval prior to backfill of system components. 6 Installer is responsible for obtaining Septic Designer/Engineer installation approval prior to backfill of system components. 7 Mason County Asbuilt Form, Record Drawing, and Installation fee must be submitted for final installation approval. THIS PERMIT MUST BE ONSITE DURING INSTALLATION OF OSS. PROPERTY OWNERS ARE RESPONSIBLE FOR DETERMINING AND MARKING ALL PROPERTY LINE AND EASEMENT LOCATIONS. THIS PERMIT MAY BE REVOKED IF THE SITE CONDITIONS HAVE CHANGED SINCE THE SITE WAS INSPECTED AND DESIGN APPROVED. FINAL INSTALLATION APPROVAL IS REQUIRED PRIOR TO TEMPORARY OR FINAL OCCUPANCY OF ANY RELATED STRUCTURES. For Final Inspection visit: masoncountywa.gov/health/environmental/onsite/oss-inspection-request.php or call: 360-427-9670, extension 400. OFFICIAL USE ONLY Ce),g Q,ASON COUNTY DATE RECENED: > ��NF'JIQ�'� AMO UNTRECEI !V1/✓] ( RECEIVED BY Public Health & Human Services 570 pNL: NE o cc 415 N.6th Stet-Shelton, lton427-9670,ext.400 or 360 275 4467,eKL 400 S W G — ( O 415 N. Street-Shelton,WA 985841sp Z U) ON SITE SEWAGE SYSTEM APPLICATION g X m n APPLICANT PHONE Ill Empire Home Construction (360)751-8062 r— c MAILING ADDRESS-STREET,CITY.STATE,ZIP CODE K P.O. Box 241 n Kelso WA 98626 n M SITE ADDRESS-STREET,CITY,ZIP CODE C� C 220 N Duckabush Dr W Hoodsport WA 98548 - I -�' NAME OF DESIGNER f)n �, PHONE3 3 I N Arrow Septic Designs, Inc Ia�VV/ J'// (360) 898-2255 NAME OF INSTALLER PHONE I Mason County Excavating (360)490-3144 < I o PERMIT TYPE(select one) 1r� DRINKING WATER SOURCE RRESIDENTIAL OSS COMMUNITY OSS It-!:COMMERCIAL OSS 1 IN�I PRIVATE INDIVIDUAL WELL i 1 PRIVATE TWO-PARTY WELL Z I TYPE OF WORK(select one) 21 PUBLIC WATER SYSTEM I JNEW CONSTRUCTION I UPGRADES �1i'REPAIR/REPLACEMENT OTHER DETAILS(select all rhat apply) ❑ TABLE X REPAIR O I SUBMITTALS ❑ SURFACING SEWAGE ❑ EXISTING FAILURE ❑SHORELINE W LZ DESIGN FORM(REQUIRED) ISEPTIC DESIGN(REQUIRED) BEDROOMS I LOTSIZE WAS LOT CREATED AFTER 4/12025? I DiWAIVER(S)(IF APPLICABLE) 3 BR .70 aC C ❑ YES ❑✓ NO � I O DIRECTIONS TO SITE AND SITE CONDITIONS:(ex.locked gate) Take US-101 N to Hoodsport and turn (L) onto N Lake Cushman Rd. Turn (L) onto I I o Duckabush Way. Turn (R) onto N Duckabush Dr W. Yellow sign: "<-220 Empire Homes r I o 210-->" - 0 I SITE MUST BE FLAGGED FROM MAIN ROAD AND TEST HOLES MUST BE FLAGGED WITH TEST HOLE NUMBERS. OFFICIAL USE ONLY BELOW THIS LINE UPGRADE!FAILURE SOURCE(for reporting purposes) ❑VOLUNTARY ❑MAINTENANCE/PUMPING ❑BUILDING PERMIT ❑HOME SALE ❑COMPLAINT ❑OTHER: INSPECTOR SOIL LOGS COMMENTS/CONDITIONS 3 $ C$ -e) LF$' SOIL CODES: RECORD DRAWING AND INSTALLATION REPORT V=VERY G=GRAVELLY S=SAND L=LOAM Si=SILT C=CLAY E=EXTREMELY R=ROOTS REQUIRED FOR FINALAPPROVAL IN TOR SIGNATURE DATE APPLICATION EXPIRATION DATE A LI ATION PROVED/ISSUED BY DATE �--a0 aka s -8 - THI FORM MAY BE SCANNED AND AVAILABLE FOR PUBLIC VIEW ON THE MASON COUNTY WEBSITE Revised:4/14/2025 DESIGN FORM—PAGE ONE Assessor's Parcel Number: 4 2 2 0 4 - 5 1 - 0 0 0 1 6 A design will be reviewed when 3 copies of each of the following are submitted: Completed design form that has been signed and dated. 'Scaled layout sketch,including all applicable items on checklist. Scaled plot plan, including all applicable items on checklist. 'Cross-section sketch,including all applicable items on checklist This form may be scanned and available for public view on the Mason County Web site.Maximum paper size 11"X17" Y a L s { t '$^ s ' Permit Number: SWG Designer's Name: Arrow Septic Designs, Inc Applicant's Name: Empire Home Construction Designer's Phone Number: (360)898-2255 Mailing Address: P.O.Box 241 Designer's Address: 171 E Vuecrest Dr Kelso WA 98626 City State Zip Union, WA 98592 City State Zip Designer's Email paulaj@hctc.com • eSl a Treatment Device ❑Glendon O Sand Filter O Mound ❑ Sand Lined Drainfield O Recirculating Filter O ATU LI Other Treatment Level(check all that apply): ❑A ❑B ❑C ❑BL1 ❑BL2 ❑BL3 I]E ❑N Drainfield Type ❑Gravity Pressure ❑Trench C 'Bed O Sub Surface Drip Septic Tank/Drainfield Specifications Laterals Number of Bedrooms 3 Schedule/Class 40 Daily Flow: Operating Capacity 270 gpd Length 45 ft Daily Flow: Design Flow 360 gpd Diameter 1.25 in Septic Tank Capacity(working) 1,200 gal Number 4 Receiving Soil Type(1-6) 3 Separation 2.5 ft Receiving Soil Appl.Rate 0.8 gpd/ft' Orifices Required Primary Area 450 ft2 Total Number of Orifices 36 Designed Primary Area 450 ft2 Diameter 3/16 in Designed Reserve Area 450 ft2 Spacing 60 in Trench/Bed Width 10 ft Manifold Trench/Bed Length 45 ft Schedule/Class 40 Elevation Measurements Length 7.5 ft Original Drainfield Area Slope 2 % Diameter 1.25 in New Slope,If Altered 2 % Preferred manifold configuration used? l'Yes ❑No Depth of Excavation Up-slope 9 in Transport Pipe from Original Grade Down-slope 8 �.n �� Pen d l la 40 Designed Vertical Separation 24+ 't� ILdI 50 ft Gravel-based Drainfield Required? E6 Yes ❑No � e'ei 7026 2 in Pump Required? Ed Yes ❑No UNTY ENVIR0NMEN-PIot�.l> Pump Chamber Pump/Siphon Specifications MASON C Numbbro'( ses/day 4 Duff,in Elevation Between Pump&Uppermost Orifice 8 ft Dose quantity 90 gal Drainfield Squirt Height/Selected Residual(head) 2 ft Chamber Capacity(flood) 1,000 gal Uppermost Orifice I f Higher O Lower than Pump Shutoff Pump controls:Please check those required. Capacity @ Total Pressure Head 21.24 gpm Bf Timer ❑ E(apse Meter ❑'Event Counter Calculated Total Pressure Head 11.28 ft If Timer: Pump on 2 minutes ,Pump off 6 hours Comments 9.ç_ Revised:4/14/2025 DESIGN FORM—PAGE TWO Assessor's Parcel Number:4 2 2 0 4 - 5 1 -- 0 0 0 1 6 Permit Number: SWG DESIGN:CHECI£LISTS Scaled Plot Plan Scaled Layout Sketch Cross-Section Sketch 56 Test hole locations Rf Drainfield orientation and layout Reference depth from original grade: 1 Soil logs I?1' Trench/bed dimensions and Rf Septic tank I4 Property lines critical distances within layout 9 Drainfield cover O Existing and proposed wells O D-Box/Valve box locations Reference depth from original grade within 100 ft of property RT Septic tank/pump chamber and restrictive strata: Rf Measurements to cuts, banks, and locations Laterals,trench/bed,top and surface water and critical areas 96 Observation port location bottom ❑ Location and orientation of Clean-out location ❑ Curtain drain collector curtain drain and all absorption R1 Manifold placement ❑ Sand augmentation components Rf Orifice placement Other cross-section detail: 11 Location and dimension of E6 Lateral placement with distance 9 Observation ports/clean-outs primary system and reserve area to edge of bed 6d Buildings Other Information alarm referenced Yes No R1 Direction of slope indicator [f Scale of drawing shown on scale ❑ Design staked out R1 Waterlines bar ❑ if Recorded Notices attached R1 Roads, easements, driveways, El Elevation benchmk and relative ❑ C 'Waiver(s) attached parking es" mponents O Pump @( curve attached e: atn �� ��c North arrow and scale drawing \\ \ r ❑ Evaluation of failure shown on scale bar Non-residential justification : r. cw ,jj,H 0 i I Waste strength �1R0 `a`;r O 9 Flow The undersigned designer must be notified by i at `on Rf Yes ❑ No Signature of -`'' 3`� �; Date The undersigned has reviewed this design on behalf of Mason County Public Health and determined it to be in compliance with state and local on-sit egulations: ( Jj - 2r-2 ( Envir nm Health Specialist Date CAUTION: DESIGN APPROVAL IS VALID ONLY UNDER THE FOLLOWING CONDITION: ✓ The design is stamped"Approved"by Mason County Public Health. c ✓ The Onsite Sewage Permit has not expired,the Permit Expiration Date is: J - 2c 1 ✓ Drainfield site conditions have not been altered to adversely affect conditions of design approval. Please Note: The system must be installed by a certified installer, unless prior authorization is obtained from Mason County Public Health. An Installation Fee is required. This form may be scanned and available for public view on the Mason County Web site. Revised:4/14/2025 LAKE LUSH MAN NO. 6 � G•d! I coif 3 1 SECTION 12 40 TWP. 22 NRPE . 4•W, W.M.J7 , MASON COUNTY WASH•J. Gtl{ON .rd'u/R'or 1 Zsfl rs r Ir sd.�ici/y,✓/or to I z•6.rs .,� -C t / SeI .\GU5HMIAIJ\ �.� /z; // ' NO. 5-: V. 6 . lJ • �\ ! / H - Li 1 a�Y �` - N� � -gi Grrc£/10 J �� / :1 /6'C1rhr or °i (a I /Y'f I n/yn/OdTraro ti a� airy a..•_ ` •dw&rr• rre ��- y �y �� I a ; /6 'tea• .• '' hI r4_prr ayJo I t G-y�p ,`c� °/4 '`-'• ` \4 �. a, // yf ti `�\\ ^fit'. 'd. N nc} ,gam •/.'3 ti h /Z h // �I Yy I ' � .e,}�S�•fi � %f ..fit /ry. 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Z � Ica- "" .p� All Crrrn4r/!s o/e ' 3 — drs/9na4dor/o//// • ,J• ?: 64 t .i s,i'- I i y du'd rt j6 tt a '. :•?s, R.ii Jb f,l r Av/Am,siv,w alli*role Art 1D77 trre.r/.t% SHEET 2 OF 3 SHEETS F \ i 1 � t / ! j �F a„ 7'�P,�.iGrJ�.� I is `: �-3��� �'•Y'O�vJ�s J�"��•aC'7 1�5 t i ! / / I L � r �oec e�- I • p ) I / f 'k 0 a► vs Sv / � svPd • 1D Audio-Visual??a*rn / 3 / Ga �. / ./ O l 200 C- o-Se✓ffc Tank / ;- c'.- 2-Co pa ent�;-t, / Ela uent Fester � 1 3 ��r / '_000 Cron Pump Chamber / f 4 xrFz• �r -ic • 51034 •• J1 PAULA JOY JOHNSON O/� 20 1 r " _-_-------- T - T1 DRAINFIELD TOP VIES 1 .25511 sched 40 laterals » C. Pressure bed �q) 3116" orifices 6O O'. 30" from bed ends ic IS 500:49 "! PAULA JOY JuHf ONomt %OF EW ON CAP 5 DEGREE ELBOW KOTEo, LATERAL }O=OBSERVATION PORTS—TO BE 4' PVC PIPE FROM BOTTOM OF TRENCH ENDIHTO FINISHED GRADE. REMOVABLE � DETAIL CAP SHALL BE INSTALLED ON CLEAN OUT OBSERVATION PORT PIPE,, ANCHOR ON BOTTOM WITIF GLUED ON TEE; NOTE, CLEANOUT TO BE FROM 0 MINIMUM OF 2 - IN SYSTEM. INCHES BELOW FINISHED GRADE DS WITH REBAR . CLEA. d"t , 0 (} .'., D AT END OF EACH IAT: PLAY 2 MASON COUNTY ENVIRONMENTAL HEAL Vl fl -' , zs LN N e-, • - tar es "_ S c J.,_ : 1 = 2 • a • r Length Length Orifice # Distance from Distance from Lateral# (In.) (Ft.) Spacing Orifices Feeder Line(In.) Cleanout(In.) 1 540 45.''. 60 9 30 30 2 540 45 60 9 30 30 3 540 45 60 9 . 30 30 4 540 ' '45 60 9 ' 30 30 Total Lateral Length 180 Total#Orifices 36 I GPM= 21.24 Dynamic Head Calculations Selected residual pressure: 2 ft' Length (Ft.) #Orifices Transport Pipe 50 36 0.41 ft. Feeder Total Lateral Line Length Lateral#1 45 4 49 9 0.22 ft. Lateral#2 45 2 47 9 0.21 ft. Lateral#3 45 2 47 9 0.21 ft. Lateral#4 45 4 49 9 0.22 ft. Total Elevation Lift 8.00 ft. Total Dynamic Head 11.28 ft. ti�"Va � ,��Nv1R�NMENSF�RR 57003110 •-.!•,1`. PAULA Joy JOI IIJSory k:P1RE5 17T7~5!' 0� ( ©' Bronze construction available(139 series) z Y ..'�`�k `-�'''���fr����3,n ._. _ • High head version available(145 series) • Double shaft seal versions available for added protection Flow-Mate on models 140/145. For more information,see Technical Data Sheets FM2782,FM2783. In high head dewatering or effluent applications where pumping performance is critical, this robust - PUMP PERFORMANCE CURVE NADELIPI,~on45 family of pumps is known for reliability, ,1 durability and performance. These u 1� pumps are especially suited for harsh environments.Zoeller's cool run design x °' and corrosion-resistant,powder coated • epoxy finish add up to a Long-lasting, ss trouble-free product. 16 =, — S.- APPLICATIONS: Al • STEP or onsite applications .13 v • Water transfer • Light commercial dewatering v - - - \ \- SPECIFICATIONS: `. • 1-1/2"NPT discharge - - - - - - r - - - o ,+ • 112 HP through 1 HP MADE iAitt hs' , Available in automatic or nonautomatic7"S GA' 4PIDF [D 2 yy • Model 137,139,140:1/2"(12 mm)spherical solids ry }'.= = = = = = capacity with vortex impeller f:: j) n m 9 a N m Q ,B • Model 145:3/4"(19 mm)spherical solids capacity with MAY 6 (' ' m ,m vortex impeller 152656 MASON COUNTY ENVIRONMENTAL HEALTH :_- to •� `l x z , ' PUMP PERFORMANCE CURVE v � H' Dose-Mate 50 MODEL 151/152/153 This is our fastest growing line of effluent 14 45 153 pumps.The 150 series is truly a workhorse designed for reliability under extreme 12- 4° conditions in an effluent environment. 150 series pump curves covera wide range = 10 35 162 of applications. They are well suited to 3D applications with Low pressure pipe(LPP) and enhancedflowsTEPsystems.Zoeller's • o R 25 15� cool run design and corrosion-resistant, o powder coated epoxy finish, in addition ' 6 20 to the hermetically sealed, oil-filled motor 15 and non-clogging vortex impeller add up to 4 a long-lasting,trouble-free product. 10 2 APPLICATIONS: 5 • STEP or onsite applications ° MADE IN THE USA 10 20 30 40 50 60 70 80 90 1Do • Light commercial dewatering USIY6ANAJDDQYDFDSlOYFFYf GALLONS SPECIFICATIONS: L�Ra o eo 00 120 100 200 2ao 200 320 360 • 1-1/2"NPT discharge FLOW PER MINUTE 014508 • 3/10 HP through 1/2 HP - F • Available in nonautomatic or with a variable Level piggyback mechanical switch • 1/2"(12 mm)spherical solids capacity with vortex thermoplastic impeller For more information,see Technical Data Sheet FM2784. ©All rights reserved. ZOELLER PUMP CO. 15O2-778-2731 18OO-928-7867 I zoeLLerpumps.com 9 `�^��`-erg o I 3 V4 4•`,r qs ,g t �£ J! oOSc i W MMMS y i F-may fl 2 l�szQ e Q i `_ C i1 7 q S ?" ms meet SGLG 6GS'.gW rezd J y%A AC crt 24S-272C �d 2 . �9 aft (taw Sep tic mZ)e igas, 9rzcb 14' INSTALLATION & MAINTENANCE Ø° ,, -: Pressure Distribution Systems - Bed PAULA JOY JOHNSON :s 1. Install Laterals with contour of the ground. Y 2. Install bed bottom level. Ex.;,niara 1 3. Install locator tape or rebar at each end of all drainfield laterals. 24 4. Install observation ports as indicated on the plot plan. Minimum of 2 required in each bed with bottom extending to the drainrock/native soil interface. Glue "T"to bottom so Observation Port cannot be easily removed from ground. Install removable cap on top of port at final grade level. 5. Install drainfield during dry weather and soil conditions; any soil smearing must be eliminated by hand raking. 6. Install threaded clean-outs at the end of all laterals (cap must extend to within six inches of finished grade and be marked with locator tape or rebar). 7. Install audio/visual high water level alarm. 8. Install 1/8" mesh non-corrosive pump screen(min. 12 sq. ft. surface area,not to interfere with controls or floats.) Or pump screen may be substituted with Bio-Tube in septic tank and block under pump. Pull bio-tube every 6-12 months and flush back into tank. 9. Install check valve in pump outlet line to prevent system from draining back into the pump chamber. 10. Tee to Tee construction between laterals and manifold with orifices oriented at 6 o'clock. Install laterals to the manifold with the orifices at 12 o'clock, (do not glue), after pressure test and Environmental Health Dept. approval, turn orifices down (6 o'clock) and glue laterals to manifold. Orifice shields may be used with orifices in the 12 o'clock position in lieu of turning the orifices down to the 6 o'clock position. 11. Filter fabric required over drain rock prior to back filling. If the drain rock extends above natural grade, run the filter fabric at least 2 inches down the trench wall. 12. Waterlines must be a minimum of 10' to any tank or drainfield (a reduction to 5' may be obtained with a State waiver on lots that meet minimum lot size). Encase all water lines within 10' of septic transport lines and under any driveway/parking areas. 13. Divert all storm water runoff away from on-site sewage system. 14.No curtain drains allowed within 10' of the up-slope edge or 30' of the down-slope edge of the drainfield and reserve area. 15. Have the septic tank and pump chamber pumped or inspected every 3 years minimum. 16. No vehicular traffic over drainfield area or tanks. 17. Inspect floats, clean filters, and test high water level alarm every 6-12 months as needed. 18. All materials and workmanship must meet County and State regulations. 19. Deviation from this design without prior approval from the Designer and Mason County Environmental Health Department will make this design null and void. 20. All manhole lids and access, sampling or inspection ports must have locking covers and be located at ground level. 21. All pressure systems with a pump chamber outlet higher than the drainfield must have an anti-siphon valve or a 1/8"hole drilled in the discharge pipe above the pump to prevent siphoning. Ensure anti-siphon hole sprays downlaway from tank opening. 22. Homeowner is responsible for all property lines and easements.